Add ActionView::Template::Sources::File

actionview/lib/action_view/file_template.rb

@@ -5,29 +5,8 @@ require "action_view/template"
 module ActionView
   class FileTemplate < Template
     def initialize(filename, handler, details)
-      @filename = filename
-
-      super(nil, filename, handler, details)
-    end
-
-    def source
-      File.binread @filename
-    end
-
-    def refresh(_)
-      self
-    end
-
-    # Exceptions are marshalled when using the parallel test runner with DRb, so we need
-    # to ensure that references to the template object can be marshalled as well. This means forgoing
-    # the marshalling of the compiler mutex and instantiating that again on unmarshalling.
-    def marshal_dump # :nodoc:
-      [ @identifier, @handler, @compiled, @locals, @virtual_path, @updated_at, @format, @variant ]
-    end
-
-    def marshal_load(array) # :nodoc:
-      @identifier, @handler, @compiled, @locals, @virtual_path, @updated_at, @format, @variant = *array
-      @compile_mutex = Mutex.new
+      source = ActionView::Template::Sources::File.new(filename)
+      super(source, filename, handler, details)
     end
   end
 end

actionview/lib/action_view/template.rb

@@ -117,13 +117,14 @@ module ActionView
       autoload :Handlers
       autoload :HTML
       autoload :Inline
+      autoload :Sources
       autoload :Text
       autoload :Types
     end
 
     extend Template::Handlers
 
-    attr_reader :source, :identifier, :handler, :original_encoding, :updated_at
+    attr_reader :identifier, :handler, :original_encoding, :updated_at
     attr_reader :variable, :format, :variant, :locals, :virtual_path
 
     def initialize(source, identifier, handler, format: nil, variant: nil, locals: nil, virtual_path: nil, updated_at: nil)
@@ -217,6 +218,10 @@ module ActionView
       "#<#{self.class.name} #{short_identifier} locals=#{@locals.inspect}>"
     end
 
+    def source
+      @source.to_s
+    end
+
     # This method is responsible for properly setting the encoding of the
     # source. Until this point, we assume that the source is BINARY data.
     # If no additional information is supplied, we assume the encoding is

actionview/lib/action_view/template/sources.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module ActionView
+  class Template
+    module Sources
+      extend ActiveSupport::Autoload
+
+      eager_autoload do
+        autoload :File
+      end
+    end
+  end
+end

actionview/lib/action_view/template/sources/file.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+module ActionView
+  class Template
+    module Sources
+      class File
+        def initialize(filename)
+          @filename = filename
+        end
+
+        def to_s
+          ::File.binread @filename
+        end
+      end
+    end
+  end
+end